s-net: sqc4828


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 8
Edges per primitive translational unit 24
Transitivity (vertex,edge)(2,7)
Vertex degrees {3,9}
Vertex coordination sequence [(3, 13, 47, 110, 174, 272, 392, 530, 670, 852), (9, 34, 79, 144, 229, 334, 459, 604, 769, 954)]
Wells’ vertex symbol [3.4^2, 3^5.4^17.5^11.6^3]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 2, -1, 0, 0, 2, 4, 0, 0, 1, 2, 6, 0, -1, 1, 2, 6, 0, 0, 1, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 0, 0, 3, 5, -1, 0, 0, 4, 4, -1, 0, 0, 4, 5, 0, 0, 0, 4, 6, 0, -1, 1, 4, 6, 1, -1, 1, 6, 6, -1, 0, 0, 6, 7, 0, 1, -1, 6, 8, 0, 1, -1, 7, 8, -1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Imma

Parameters:

a b c alpha beta gamma
1.24731 2.60661 5.2951 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25 0.25 0.16667
0 0.0625 0.33333

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Imma

Parameters:

a b c alpha beta gamma
0.95915 1.97074 3.77358 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.02935 0.25 0.36686
0 0.005 0.3669

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse